I WAS relatively late to the excellent series, Sunderland ‘Til I Die, largely because I am naturally cynical about carefully-scripted documentaries that supposedly tell the inside story of a club or institution. However, having watched the entire two-series offering, I not only feel I know Sunderland a little better, but the revealing content confirmed conventional business and football are very uncomfortable bedfellows. Stewart Donald and Charlie Methven, the co-owners, both came across as entrepreneurial, and hard-working people. They may be disciples of marketing speak and corporate jargon, but they are also football fans. They seemed decent, ambitious, competitive and energetic. Results-driven Were they suitable owners for Sunderland, a club that has been described as a “sleeping giant”, “100% f*****” and a “basket case”? As…